Precompression resistant emulsion explosive

Details Precompression resistant emulsion explosive Precompression resistant emulsion explosive

1995-03-24

1996-04-16

Walsh, Donald P.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

149 60, 149 83, 149 85, 149110, C06B 4500

Patent

active

055078893

ABSTRACT:
An emulsion explosive composition having improved resistance to precompression desensitization comprising an emulsion explosive matrix and a high level of a low strength microspheres. Preferably, the microspheres having a crush strength of between 100 and 400 psi, and are present in at least 4% by weight of the formulation. Accordingly, the present invention allows the use of a more standard (and usually less expensive) microspheres in the production of a precompression desensitization-resistant emulsion explosive. Further, the emulsion explosives of the present invention would permit emulsion explosives, in general, to be utilized in a wider range of applications.

REFERENCES:
patent: 5017251 (1991-05-01), Lawrence et al.

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